Merge some parts of the i945 review (trivial):
* fix \r\n occurence in i945 code * drop early TOLUD write * fix 16bit BCTRL1 access Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3741 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
parent
fb9f35d36b
commit
779b3e3129
|
@ -22,14 +22,14 @@
|
|||
|
||||
static int i945_silicon_revision(void)
|
||||
{
|
||||
return pci_read_config8(PCI_DEV(0, 0x00, 0), 8);
|
||||
return pci_read_config8(PCI_DEV(0, 0x00, 0), PCI_CLASS_REVISION);
|
||||
}
|
||||
|
||||
static void i945_detect_chipset(void)
|
||||
{
|
||||
u8 reg8;
|
||||
|
||||
printk_info("\r\n");
|
||||
printk_info("\n");
|
||||
reg8 = (pci_read_config8(PCI_DEV(0, 0x00, 0), 0xe7) & 0x70) >> 4;
|
||||
switch (reg8) {
|
||||
case 1:
|
||||
|
@ -50,7 +50,7 @@ static void i945_detect_chipset(void)
|
|||
default:
|
||||
printk_info("Unknown (%02x)", reg8); /* Others reserved. */
|
||||
}
|
||||
printk_info(" Chipset\r\n");
|
||||
printk_info(" Chipset\n");
|
||||
|
||||
printk_debug("(G)MCH capable of up to FSB ");
|
||||
reg8 = (pci_read_config8(PCI_DEV(0, 0x00, 0), 0xe3) & 0xe0) >> 5;
|
||||
|
@ -67,7 +67,7 @@ static void i945_detect_chipset(void)
|
|||
default:
|
||||
printk_debug("N/A MHz (%02x)", reg8);
|
||||
}
|
||||
printk_debug("\r\n");
|
||||
printk_debug("\n");
|
||||
|
||||
printk_debug("(G)MCH capable of ");
|
||||
reg8 = (pci_read_config8(PCI_DEV(0, 0x00, 0), 0xe4) & 0x07);
|
||||
|
@ -84,7 +84,7 @@ static void i945_detect_chipset(void)
|
|||
default:
|
||||
printk_info("unknown max. RAM clock (%02x).", reg8); /* Others reserved. */
|
||||
}
|
||||
printk_debug("\r\n");
|
||||
printk_debug("\n");
|
||||
}
|
||||
|
||||
static void i945_setup_bars(void)
|
||||
|
@ -94,7 +94,7 @@ static void i945_setup_bars(void)
|
|||
/* As of now, we don't have all the A0 workarounds implemented */
|
||||
if (i945_silicon_revision() == 0)
|
||||
printk_info
|
||||
("Warning: i945 silicon revision A0 might not work correctly.\r\n");
|
||||
("Warning: i945 silicon revision A0 might not work correctly.\n");
|
||||
|
||||
/* Setting up Southbridge. In the northbridge code. */
|
||||
printk_debug("Setting up static southbridge registers...");
|
||||
|
@ -106,12 +106,12 @@ static void i945_setup_bars(void)
|
|||
pci_write_config32(PCI_DEV(0, 0x1f, 0), GPIOBASE, DEFAULT_GPIOBASE | 1);
|
||||
pci_write_config8(PCI_DEV(0, 0x1f, 0), 0x4c /* GC */ , 0x10); /* Enable GPIOs */
|
||||
setup_ich7_gpios();
|
||||
printk_debug(" done.\r\n");
|
||||
printk_debug(" done.\n");
|
||||
|
||||
printk_debug("Disabling Watchdog reboot...");
|
||||
RCBA32(GCS) = (RCBA32(0x3410)) | (1 << 5); /* No reset */
|
||||
outw((1 << 11), DEFAULT_PMBASE | 0x60 | 0x08); /* halt timer */
|
||||
printk_debug(" done.\r\n");
|
||||
printk_debug(" done.\n");
|
||||
|
||||
printk_debug("Setting up static northbridge registers...");
|
||||
/* Set up all hardcoded northbridge BARs */
|
||||
|
@ -135,10 +135,8 @@ static void i945_setup_bars(void)
|
|||
pci_write_config8(PCI_DEV(0, 0x00, 0), PAM5, 0x33);
|
||||
pci_write_config8(PCI_DEV(0, 0x00, 0), PAM6, 0x33);
|
||||
|
||||
pci_write_config8(PCI_DEV(0, 0x00, 0), TOLUD, 0x40); /* 1G XXX dynamic! */
|
||||
|
||||
pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafebabe);
|
||||
printk_debug(" done.\r\n");
|
||||
printk_debug(" done.\n");
|
||||
|
||||
/* Wait for MCH BAR to come up */
|
||||
printk_debug("Waiting for MCHBAR to come up...");
|
||||
|
@ -147,7 +145,7 @@ static void i945_setup_bars(void)
|
|||
reg8 = *(volatile u8 *)0xfed40000;
|
||||
} while (!(reg8 & 0x80));
|
||||
}
|
||||
printk_debug("ok\r\n");
|
||||
printk_debug("ok\n");
|
||||
}
|
||||
|
||||
static void i945_setup_egress_port(void)
|
||||
|
@ -440,24 +438,23 @@ static void i945_setup_pci_express_x16(void)
|
|||
u32 timeout;
|
||||
u32 reg32;
|
||||
u16 reg16;
|
||||
u8 reg8;
|
||||
|
||||
/* For now we just disable the x16 link */
|
||||
printk_debug("Disabling PCI Express x16 Link\n");
|
||||
|
||||
MCHBAR16(UPMC1) |= (1 << 5) | (1 << 0);
|
||||
|
||||
reg8 = pcie_read_config8(PCI_DEV(0, 0x01, 0), BCTRL1);
|
||||
reg8 |= (1 << 6);
|
||||
pcie_write_config8(PCI_DEV(0, 0x01, 0), BCTRL1, reg8);
|
||||
reg16 = pcie_read_config16(PCI_DEV(0, 0x01, 0), BCTRL1);
|
||||
reg16 |= (1 << 6);
|
||||
pcie_write_config16(PCI_DEV(0, 0x01, 0), BCTRL1, reg16);
|
||||
|
||||
reg32 = pcie_read_config32(PCI_DEV(0, 0x01, 0), 0x224);
|
||||
reg32 |= (1 << 8);
|
||||
pcie_write_config32(PCI_DEV(0, 0x01, 0), 0x224, reg32);
|
||||
|
||||
reg8 = pcie_read_config8(PCI_DEV(0, 0x01, 0), BCTRL1);
|
||||
reg8 &= ~(1 << 6);
|
||||
pcie_write_config8(PCI_DEV(0, 0x01, 0), BCTRL1, reg8);
|
||||
reg16 = pcie_read_config16(PCI_DEV(0, 0x01, 0), BCTRL1);
|
||||
reg16 &= ~(1 << 6);
|
||||
pcie_write_config16(PCI_DEV(0, 0x01, 0), BCTRL1, reg16);
|
||||
|
||||
printk_debug("Wait for link to enter detect state... ");
|
||||
timeout = 0x7fffff;
|
||||
|
|
|
@ -67,7 +67,7 @@
|
|||
|
||||
/* Device 0:1.0 PCI configuration space (PCI Express) */
|
||||
|
||||
#define BCTRL1 0x3e /* 8bit */
|
||||
#define BCTRL1 0x3e /* 16bit */
|
||||
|
||||
|
||||
/* Device 0:2.0 PCI configuration space (Graphics Device) */
|
||||
|
|
|
@ -67,13 +67,13 @@ static void do_ram_command(u32 command)
|
|||
|
||||
MCHBAR32(DCC) = reg32; /* This is the actual magic */
|
||||
|
||||
PRINTK_DEBUG("...done\r\n");
|
||||
PRINTK_DEBUG("...done\n");
|
||||
}
|
||||
|
||||
|
||||
static void ram_read32(u32 offset)
|
||||
{
|
||||
PRINTK_DEBUG(" ram read: %08x\r\n", offset);
|
||||
PRINTK_DEBUG(" ram read: %08x\n", offset);
|
||||
|
||||
read32(offset);
|
||||
}
|
||||
|
@ -82,12 +82,12 @@ static void ram_read32(u32 offset)
|
|||
static void sdram_dump_mchbar_registers(void)
|
||||
{
|
||||
int i;
|
||||
printk_debug("Dumping MCHBAR Registers\r\n");
|
||||
printk_debug("Dumping MCHBAR Registers\n");
|
||||
|
||||
for (i=0; i<0xfff; i+=4) {
|
||||
if (MCHBAR32(i) == 0)
|
||||
continue;
|
||||
printk_debug("0x%04x: 0x%08x\r\n", i, MCHBAR32(i));
|
||||
printk_debug("0x%04x: 0x%08x\n", i, MCHBAR32(i));
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
@ -181,13 +181,13 @@ static void sdram_detect_errors(void)
|
|||
|
||||
if (reg8 & ((1<<7)|(1<<2))) {
|
||||
if (reg8 & (1<<2)) {
|
||||
printk_debug("SLP S4# Assertion Width Violation.\r\n");
|
||||
printk_debug("SLP S4# Assertion Width Violation.\n");
|
||||
|
||||
pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa2, reg8);
|
||||
}
|
||||
|
||||
if (reg8 & (1<<7)) {
|
||||
printk_debug("DRAM initialization was interrupted.\r\n");
|
||||
printk_debug("DRAM initialization was interrupted.\n");
|
||||
reg8 &= ~(1<<7);
|
||||
pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa2, reg8);
|
||||
}
|
||||
|
@ -197,7 +197,7 @@ static void sdram_detect_errors(void)
|
|||
reg8 |= (1 << 3);
|
||||
pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa4, reg8);
|
||||
|
||||
printk_debug("Reset required.\r\n");
|
||||
printk_debug("Reset required.\n");
|
||||
outb(0x00, 0xcf9);
|
||||
outb(0x0e, 0xcf9);
|
||||
for (;;) ; /* Wait for reset! */
|
||||
|
@ -288,52 +288,52 @@ static void sdram_get_dram_configuration(struct sys_info *sysinfo)
|
|||
|
||||
reg8 = spd_read_byte(device, SPD_DIMM_CONFIG_TYPE);
|
||||
if (reg8 == ERROR_SCHEME_ECC)
|
||||
die("Error: ECC memory not supported by this chipset\r\n");
|
||||
die("Error: ECC memory not supported by this chipset\n");
|
||||
|
||||
reg8 = spd_read_byte(device, SPD_MODULE_ATTRIBUTES);
|
||||
if (reg8 & MODULE_BUFFERED)
|
||||
die("Error: Buffered memory not supported by this chipset\r\n");
|
||||
die("Error: Buffered memory not supported by this chipset\n");
|
||||
if (reg8 & MODULE_REGISTERED)
|
||||
die("Error: Registered memory not supported by this chipset\r\n");
|
||||
die("Error: Registered memory not supported by this chipset\n");
|
||||
|
||||
switch (spd_read_byte(device, SPD_PRIMARY_SDRAM_WIDTH)) {
|
||||
case 0x08:
|
||||
switch (spd_read_byte(device, SPD_NUM_DIMM_BANKS) & 0x0f) {
|
||||
case 1:
|
||||
printk_debug("x8DDS\r\n");
|
||||
printk_debug("x8DDS\n");
|
||||
sysinfo->dimm[i] = SYSINFO_DIMM_X8DDS;
|
||||
break;
|
||||
case 0:
|
||||
printk_debug("x8DS\r\n");
|
||||
printk_debug("x8DS\n");
|
||||
sysinfo->dimm[i] = SYSINFO_DIMM_X8DS;
|
||||
break;
|
||||
default:
|
||||
printk_debug ("Unsupported.\r\n");
|
||||
printk_debug ("Unsupported.\n");
|
||||
}
|
||||
break;
|
||||
case 0x10:
|
||||
switch (spd_read_byte(device, SPD_NUM_DIMM_BANKS) & 0x0f) {
|
||||
case 1:
|
||||
printk_debug("x16DS\r\n");
|
||||
printk_debug("x16DS\n");
|
||||
sysinfo->dimm[i] = SYSINFO_DIMM_X16DS;
|
||||
break;
|
||||
case 0:
|
||||
printk_debug("x16SS\r\n");
|
||||
printk_debug("x16SS\n");
|
||||
sysinfo->dimm[i] = SYSINFO_DIMM_X16SS;
|
||||
break;
|
||||
default:
|
||||
printk_debug ("Unsupported.\r\n");
|
||||
printk_debug ("Unsupported.\n");
|
||||
}
|
||||
break;
|
||||
default:
|
||||
die("Unsupported DDR-II memory width.\r\n");
|
||||
die("Unsupported DDR-II memory width.\n");
|
||||
}
|
||||
|
||||
dimm_mask |= (1 << i);
|
||||
}
|
||||
|
||||
if (!dimm_mask) {
|
||||
die("No memory installed.\r\n");
|
||||
die("No memory installed.\n");
|
||||
}
|
||||
|
||||
/* The chipset might be able to do this. What the heck, legacy bios
|
||||
|
@ -341,7 +341,7 @@ static void sdram_get_dram_configuration(struct sys_info *sysinfo)
|
|||
* not bother until someone needs this enough to cope with it.
|
||||
*/
|
||||
if (!(dimm_mask & ((1 << DIMM_SOCKETS) - 1))) {
|
||||
printk_err("Channel 0 has no memory populated. This setup is not usable. Please move the DIMM.\r\n");
|
||||
printk_err("Channel 0 has no memory populated. This setup is not usable. Please move the DIMM.\n");
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -991,18 +991,18 @@ static void sdram_rcomp_buffer_strength_and_slew(struct sys_info *sysinfo)
|
|||
|
||||
/* Dual Channel needs different tables. */
|
||||
if (sdram_capabilities_dual_channel()) {
|
||||
printk_debug("Programming Dual Channel RCOMP\r\n");
|
||||
printk_debug("Programming Dual Channel RCOMP\n");
|
||||
strength_multiplier = dual_channel_strength_multiplier;
|
||||
slew_group_lookup = dual_channel_slew_group_lookup;
|
||||
idx = 5 * sysinfo->dimm[0] + sysinfo->dimm[2];
|
||||
} else {
|
||||
printk_debug("Programming Single Channel RCOMP\r\n");
|
||||
printk_debug("Programming Single Channel RCOMP\n");
|
||||
strength_multiplier = single_channel_strength_multiplier;
|
||||
slew_group_lookup = single_channel_slew_group_lookup;
|
||||
idx = 5 * sysinfo->dimm[0] + sysinfo->dimm[1];
|
||||
}
|
||||
|
||||
printk_debug("Table Index: %d\r\n", idx);
|
||||
printk_debug("Table Index: %d\n", idx);
|
||||
|
||||
MCHBAR8(G1SC) = strength_multiplier[idx * 8 + 0];
|
||||
MCHBAR8(G2SC) = strength_multiplier[idx * 8 + 1];
|
||||
|
@ -1052,7 +1052,7 @@ static void sdram_program_dll_timings(struct sys_info *sysinfo)
|
|||
u32 chan0dll = 0, chan1dll = 0;
|
||||
int i;
|
||||
|
||||
printk_debug ("Programming DLL Timings... \r\n");
|
||||
printk_debug ("Programming DLL Timings... \n");
|
||||
|
||||
MCHBAR16(DQSMT) &= ~( (3 << 12) | (1 << 10) | ( 0xf << 0) );
|
||||
MCHBAR16(DQSMT) |= (1 << 13) | (0xc << 0);
|
||||
|
@ -1102,7 +1102,7 @@ static void sdram_initialize_system_memory_io(struct sys_info *sysinfo)
|
|||
u8 reg8;
|
||||
u32 reg32;
|
||||
|
||||
printk_debug ("Initializing System Memory IO... \r\n");
|
||||
printk_debug ("Initializing System Memory IO... \n");
|
||||
|
||||
reg8 = MCHBAR8(C0HCTC);
|
||||
reg8 &= ~0x1f;
|
||||
|
@ -1141,7 +1141,7 @@ static void sdram_enable_system_memory_io(struct sys_info *sysinfo)
|
|||
{
|
||||
u32 reg32;
|
||||
|
||||
printk_debug ("Enabling System Memory IO... \r\n");
|
||||
printk_debug ("Enabling System Memory IO... \n");
|
||||
|
||||
reg32 = MCHBAR32(RCVENMT);
|
||||
reg32 &= ~(0x3f << 6);
|
||||
|
@ -1261,7 +1261,7 @@ static struct dimm_size sdram_get_dimm_size(u16 device)
|
|||
goto out;
|
||||
|
||||
val_err:
|
||||
die("Bad SPD value\r\n");
|
||||
die("Bad SPD value\n");
|
||||
hw_err:
|
||||
/* If a hardware error occurs the spd rom probably does not exist.
|
||||
* In this case report that there is no memory
|
||||
|
@ -1314,7 +1314,7 @@ static int sdram_program_row_boundaries(struct sys_info *sysinfo)
|
|||
int i;
|
||||
int cum0, cum1, tolud;
|
||||
|
||||
printk_debug ("Setting RAM size... \r\n");
|
||||
printk_debug ("Setting RAM size... \n");
|
||||
|
||||
cum0 = 0;
|
||||
for(i = 0; i < 2 * DIMM_SOCKETS; i++) {
|
||||
|
@ -1344,11 +1344,15 @@ static int sdram_program_row_boundaries(struct sys_info *sysinfo)
|
|||
tolud = (cum0 + cum1) << 1;
|
||||
else
|
||||
tolud = (cum1 ? cum1 : cum0) << 1;
|
||||
pci_write_config16(PCI_DEV(0,0,0), TOLUD, tolud);
|
||||
|
||||
printk_debug("C0DRB = 0x%08x\r\n", MCHBAR32(C0DRB0));
|
||||
printk_debug("C1DRB = 0x%08x\r\n", MCHBAR32(C1DRB0));
|
||||
printk_debug("TOLUD = 0x%04x\r\n", tolud);
|
||||
/* Some extra checks needed. See 4.1.26 in the
|
||||
* 82945G MCH datasheet (30750203)
|
||||
*/
|
||||
pci_write_config8(PCI_DEV(0,0,0), TOLUD, tolud);
|
||||
|
||||
printk_debug("C0DRB = 0x%08x\n", MCHBAR32(C0DRB0));
|
||||
printk_debug("C1DRB = 0x%08x\n", MCHBAR32(C1DRB0));
|
||||
printk_debug("TOLUD = 0x%02x\n", tolud);
|
||||
|
||||
pci_write_config16(PCI_DEV(0,0,0), TOM, tolud>>3);
|
||||
|
||||
|
@ -1361,7 +1365,7 @@ static int sdram_set_row_attributes(struct sys_info *sysinfo)
|
|||
int i, value;
|
||||
u16 dra0=0, dra1=0, dra = 0;
|
||||
|
||||
printk_debug ("Setting row attributes... \r\n");
|
||||
printk_debug ("Setting row attributes... \n");
|
||||
for(i=0; i < 2 * DIMM_SOCKETS; i++) {
|
||||
u16 device;
|
||||
u8 columnsrows;
|
||||
|
@ -1402,8 +1406,8 @@ static int sdram_set_row_attributes(struct sys_info *sysinfo)
|
|||
MCHBAR16(C0DRA0) = dra0;
|
||||
MCHBAR16(C1DRA0) = dra1;
|
||||
|
||||
printk_debug("C0DRA = 0x%04x\r\n", dra0);
|
||||
printk_debug("C1DRA = 0x%04x\r\n", dra1);
|
||||
printk_debug("C0DRA = 0x%04x\n", dra0);
|
||||
printk_debug("C1DRA = 0x%04x\n", dra1);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
@ -1733,7 +1737,7 @@ static void sdram_set_channel_mode(struct sys_info *sysinfo)
|
|||
|
||||
MCHBAR32(DCC) = reg32;
|
||||
|
||||
PRINTK_DEBUG("DCC=0x%08x\r\n", MCHBAR32(DCC));
|
||||
PRINTK_DEBUG("DCC=0x%08x\n", MCHBAR32(DCC));
|
||||
}
|
||||
|
||||
static void sdram_program_pll_settings(void)
|
||||
|
@ -1778,7 +1782,7 @@ static void sdram_program_graphics_frequency(struct sys_info *sysinfo)
|
|||
#define CDCLK_200MHz 0x00
|
||||
#define CDCLK_320MHz 0x40
|
||||
|
||||
printk_debug ("Setting Graphics Frequency... \r\n");
|
||||
printk_debug ("Setting Graphics Frequency... \n");
|
||||
|
||||
reg16 = pci_read_config16(PCI_DEV(0,2,0), GCFC);
|
||||
reg16 |= (1<<11) | (1<<9);
|
||||
|
@ -1850,7 +1854,7 @@ static void sdram_program_graphics_frequency(struct sys_info *sysinfo)
|
|||
}
|
||||
|
||||
if (second_vco) {
|
||||
printk_debug("Programming second TCO\r\n");
|
||||
printk_debug("Programming second TCO\n");
|
||||
sysinfo->clkcfg_bit7=1;
|
||||
} else {
|
||||
sysinfo->clkcfg_bit7=0;
|
||||
|
@ -1912,7 +1916,7 @@ static void sdram_program_memory_frequency(struct sys_info *sysinfo)
|
|||
}
|
||||
|
||||
if (MCHBAR32(CLKCFG) == clkcfg) {
|
||||
printk_debug ("ok (unchanged)\r\n");
|
||||
printk_debug ("ok (unchanged)\n");
|
||||
return;
|
||||
}
|
||||
|
||||
|
@ -1957,7 +1961,7 @@ cache_code:
|
|||
out:
|
||||
|
||||
printk_debug("CLKCFG=0x%08x, ", MCHBAR32(CLKCFG));
|
||||
printk_debug ("ok\r\n");
|
||||
printk_debug ("ok\n");
|
||||
}
|
||||
|
||||
static void sdram_program_clock_crossing(void)
|
||||
|
@ -1997,15 +2001,15 @@ static void sdram_program_clock_crossing(void)
|
|||
case 2: printk_debug("400"); idx += 0; break;
|
||||
case 3: printk_debug("533"); idx += 2; break;
|
||||
case 4: printk_debug("667"); idx += 4; break;
|
||||
default: printk_debug("RSVD\r\n"); return;
|
||||
default: printk_debug("RSVD\n"); return;
|
||||
}
|
||||
|
||||
printk_debug(" FSB=");
|
||||
switch (reg32 & 7) {
|
||||
case 0: printk_debug("400\r\n"); return;
|
||||
case 0: printk_debug("400\n"); return;
|
||||
case 1: printk_debug("533"); idx += 0; break;
|
||||
case 3: printk_debug("667"); idx += 4; break;
|
||||
default: printk_debug("RSVD\r\n"); return;
|
||||
default: printk_debug("RSVD\n"); return;
|
||||
}
|
||||
|
||||
MCHBAR32(C0DCCFT + 0) = data_clock_crossing[idx];
|
||||
|
@ -2016,7 +2020,7 @@ static void sdram_program_clock_crossing(void)
|
|||
MCHBAR32(CCCFT + 0) = command_clock_crossing[idx];
|
||||
MCHBAR32(CCCFT + 4) = command_clock_crossing[idx + 1];
|
||||
|
||||
printk_debug("... ok\r\n");
|
||||
printk_debug("... ok\n");
|
||||
}
|
||||
|
||||
static void sdram_disable_fast_dispatch(void)
|
||||
|
@ -2525,27 +2529,27 @@ static void sdram_jedec_enable(struct sys_info *sysinfo)
|
|||
mrsaddr |= MRS_BL8;
|
||||
|
||||
/* Apply NOP */
|
||||
PRINTK_DEBUG("Apply NOP\r\n");
|
||||
PRINTK_DEBUG("Apply NOP\n");
|
||||
do_ram_command(RAM_COMMAND_NOP);
|
||||
ram_read32(bankaddr);
|
||||
|
||||
/* Precharge all banks */
|
||||
PRINTK_DEBUG("All Banks Precharge\r\n");
|
||||
PRINTK_DEBUG("All Banks Precharge\n");
|
||||
do_ram_command(RAM_COMMAND_PRECHARGE);
|
||||
ram_read32(bankaddr);
|
||||
|
||||
/* Extended Mode Register Set (2) */
|
||||
PRINTK_DEBUG("Extended Mode Register Set(2)\r\n");
|
||||
PRINTK_DEBUG("Extended Mode Register Set(2)\n");
|
||||
do_ram_command(RAM_COMMAND_EMRS | RAM_EMRS_2);
|
||||
ram_read32(bankaddr);
|
||||
|
||||
/* Extended Mode Register Set (3) */
|
||||
PRINTK_DEBUG("Extended Mode Register Set(3)\r\n");
|
||||
PRINTK_DEBUG("Extended Mode Register Set(3)\n");
|
||||
do_ram_command(RAM_COMMAND_EMRS | RAM_EMRS_3);
|
||||
ram_read32(bankaddr);
|
||||
|
||||
/* Extended Mode Register Set */
|
||||
PRINTK_DEBUG("Extended Mode Register Set\r\n");
|
||||
PRINTK_DEBUG("Extended Mode Register Set\n");
|
||||
do_ram_command(RAM_COMMAND_EMRS | RAM_EMRS_1);
|
||||
tmpaddr = bankaddr;
|
||||
if (!sdram_capabilities_dual_channel()) {
|
||||
|
@ -2558,7 +2562,7 @@ static void sdram_jedec_enable(struct sys_info *sysinfo)
|
|||
ram_read32(tmpaddr);
|
||||
|
||||
/* Mode Register Set: Reset DLLs */
|
||||
PRINTK_DEBUG("MRS: Reset DLLs\r\n");
|
||||
PRINTK_DEBUG("MRS: Reset DLLs\n");
|
||||
do_ram_command(RAM_COMMAND_MRS);
|
||||
tmpaddr = bankaddr;
|
||||
tmpaddr |= mrsaddr;
|
||||
|
@ -2570,12 +2574,12 @@ static void sdram_jedec_enable(struct sys_info *sysinfo)
|
|||
ram_read32(tmpaddr);
|
||||
|
||||
/* Precharge all banks */
|
||||
PRINTK_DEBUG("All Banks Precharge\r\n");
|
||||
PRINTK_DEBUG("All Banks Precharge\n");
|
||||
do_ram_command(RAM_COMMAND_PRECHARGE);
|
||||
ram_read32(bankaddr);
|
||||
|
||||
/* CAS before RAS Refresh */
|
||||
PRINTK_DEBUG("CAS before RAS\r\n");
|
||||
PRINTK_DEBUG("CAS before RAS\n");
|
||||
do_ram_command(RAM_COMMAND_CBR);
|
||||
|
||||
/* CBR wants two READs */
|
||||
|
@ -2583,7 +2587,7 @@ static void sdram_jedec_enable(struct sys_info *sysinfo)
|
|||
ram_read32(bankaddr);
|
||||
|
||||
/* Mode Register Set: Enable DLLs */
|
||||
PRINTK_DEBUG("MRS: Enable DLLs\r\n");
|
||||
PRINTK_DEBUG("MRS: Enable DLLs\n");
|
||||
do_ram_command(RAM_COMMAND_MRS);
|
||||
|
||||
tmpaddr = bankaddr;
|
||||
|
@ -2591,7 +2595,7 @@ static void sdram_jedec_enable(struct sys_info *sysinfo)
|
|||
ram_read32(tmpaddr);
|
||||
|
||||
/* Extended Mode Register Set */
|
||||
PRINTK_DEBUG("Extended Mode Register Set: ODT/OCD\r\n");
|
||||
PRINTK_DEBUG("Extended Mode Register Set: ODT/OCD\n");
|
||||
do_ram_command(RAM_COMMAND_EMRS | RAM_EMRS_1);
|
||||
|
||||
tmpaddr = bankaddr;
|
||||
|
@ -2606,7 +2610,7 @@ static void sdram_jedec_enable(struct sys_info *sysinfo)
|
|||
ram_read32(tmpaddr);
|
||||
|
||||
/* Extended Mode Register Set */
|
||||
PRINTK_DEBUG("Extended Mode Register Set: OCD Exit\r\n");
|
||||
PRINTK_DEBUG("Extended Mode Register Set: OCD Exit\n");
|
||||
do_ram_command(RAM_COMMAND_EMRS | RAM_EMRS_1);
|
||||
|
||||
tmpaddr = bankaddr;
|
||||
|
@ -2623,7 +2627,7 @@ static void sdram_jedec_enable(struct sys_info *sysinfo)
|
|||
|
||||
static void sdram_init_complete(void)
|
||||
{
|
||||
PRINTK_DEBUG("Normal Operation\r\n");
|
||||
PRINTK_DEBUG("Normal Operation\n");
|
||||
do_ram_command(RAM_COMMAND_NORMAL);
|
||||
}
|
||||
|
||||
|
@ -2651,7 +2655,7 @@ void sdram_initialize(int boot_mode)
|
|||
|
||||
sdram_detect_errors();
|
||||
|
||||
printk_debug ("Setting up RAM controller.\r\n");
|
||||
printk_debug ("Setting up RAM controller.\n");
|
||||
|
||||
memset(&sysinfo, 0, sizeof(sysinfo));
|
||||
|
||||
|
@ -2772,7 +2776,7 @@ void sdram_initialize(int boot_mode)
|
|||
reg8 &= ~(1 << 7);
|
||||
pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa2, reg8);
|
||||
|
||||
printk_debug("RAM initialization finished.\r\n");
|
||||
printk_debug("RAM initialization finished.\n");
|
||||
|
||||
sdram_setup_processor_side();
|
||||
}
|
||||
|
|
|
@ -67,7 +67,7 @@ static void set_receive_enable(int channel_offset, u8 medium, u8 coarse)
|
|||
{
|
||||
u32 reg32;
|
||||
|
||||
printk_spew(" set_receive_enable() medium=0x%x, coarse=0x%x\r\n", medium, coarse);
|
||||
printk_spew(" set_receive_enable() medium=0x%x, coarse=0x%x\n", medium, coarse);
|
||||
|
||||
reg32 = MCHBAR32(C0DRT1 + channel_offset);
|
||||
reg32 &= 0xf0ffffff;
|
||||
|
@ -101,7 +101,7 @@ static void set_receive_enable(int channel_offset, u8 medium, u8 coarse)
|
|||
|
||||
static int normalize(int channel_offset, u8 * mediumcoarse, u8 * fine)
|
||||
{
|
||||
printk_spew(" normalize()\r\n");
|
||||
printk_spew(" normalize()\n");
|
||||
|
||||
if (*fine < 0x80)
|
||||
return 0;
|
||||
|
@ -110,7 +110,7 @@ static int normalize(int channel_offset, u8 * mediumcoarse, u8 * fine)
|
|||
*mediumcoarse += 1;
|
||||
|
||||
if (*mediumcoarse >= 0x40) {
|
||||
printk_debug("Normalize Error\r\n");
|
||||
printk_debug("Normalize Error\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
@ -128,12 +128,12 @@ static int find_preamble(int channel_offset, u8 * mediumcoarse,
|
|||
/* find start of the data phase */
|
||||
u32 reg32;
|
||||
|
||||
printk_spew(" find_preamble()\r\n");
|
||||
printk_spew(" find_preamble()\n");
|
||||
|
||||
do {
|
||||
if (*mediumcoarse < 4) {
|
||||
|
||||
printk_debug("No Preamble found.\r\n");
|
||||
printk_debug("No Preamble found.\n");
|
||||
return -1;
|
||||
}
|
||||
*mediumcoarse -= 4;
|
||||
|
@ -147,7 +147,7 @@ static int find_preamble(int channel_offset, u8 * mediumcoarse,
|
|||
|
||||
if (!(reg32 & (1 << 18))) {
|
||||
|
||||
printk_debug("No Preamble found (neither high nor low).\r\n");
|
||||
printk_debug("No Preamble found (neither high nor low).\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
@ -160,14 +160,14 @@ static int find_preamble(int channel_offset, u8 * mediumcoarse,
|
|||
|
||||
static int add_quarter_clock(int channel_offset, u8 * mediumcoarse, u8 * fine)
|
||||
{
|
||||
printk_spew(" add_quarter_clock() mediumcoarse=%02x fine=%02x\r\n",
|
||||
printk_spew(" add_quarter_clock() mediumcoarse=%02x fine=%02x\n",
|
||||
*mediumcoarse, *fine);
|
||||
if (*fine >= 0x80) {
|
||||
*fine -= 0x80;
|
||||
|
||||
*mediumcoarse += 2;
|
||||
if (*mediumcoarse >= 0x40) {
|
||||
printk_debug("clocks at max.\r\n");
|
||||
printk_debug("clocks at max.\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
@ -187,7 +187,7 @@ static int find_strobes_low(int channel_offset, u8 * mediumcoarse, u8 * fine,
|
|||
{
|
||||
u32 rcvenmt;
|
||||
|
||||
printk_spew(" find_strobes_low()\r\n");
|
||||
printk_spew(" find_strobes_low()\n");
|
||||
|
||||
for (;;) {
|
||||
MCHBAR8(C0WL0REOST + channel_offset) = *fine;
|
||||
|
@ -213,7 +213,7 @@ static int find_strobes_low(int channel_offset, u8 * mediumcoarse, u8 * fine,
|
|||
|
||||
}
|
||||
|
||||
printk_debug("Could not find low strobe\r\n");
|
||||
printk_debug("Could not find low strobe\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -223,7 +223,7 @@ static int find_strobes_edge(int channel_offset, u8 * mediumcoarse, u8 * fine,
|
|||
int counter;
|
||||
u32 rcvenmt;
|
||||
|
||||
printk_spew(" find_strobes_edge()\r\n");
|
||||
printk_spew(" find_strobes_edge()\n");
|
||||
|
||||
counter = 8;
|
||||
set_receive_enable(channel_offset, *mediumcoarse & 3,
|
||||
|
@ -258,7 +258,7 @@ static int find_strobes_edge(int channel_offset, u8 * mediumcoarse, u8 * fine,
|
|||
continue;
|
||||
}
|
||||
|
||||
printk_debug("could not find rising edge.\r\n");
|
||||
printk_debug("could not find rising edge.\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
@ -287,7 +287,7 @@ static int receive_enable_autoconfig(int channel_offset,
|
|||
u8 mediumcoarse;
|
||||
u8 fine;
|
||||
|
||||
printk_spew("receive_enable_autoconfig() for channel %d\r\n",
|
||||
printk_spew("receive_enable_autoconfig() for channel %d\n",
|
||||
channel_offset ? 1 : 0);
|
||||
|
||||
/* Set initial values */
|
||||
|
|
Loading…
Reference in New Issue